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Science - Unit 2
Respiratroy and Circulatory Systems, Lessons 10-16
| Question | Answer |
|---|---|
| The air sacks in your lungs are called ______. | alveoli |
| Your lungs are surrounded by _______ _________. | pleural membranes |
| The functions of the nose are ______________. | To warm air, catch/filter particles, and smell (olfactory glands) |
| The larynx is commonly called the _____ ___/_____ _____. | voice box/vocal cords. |
| The trachea is commonly called the ____ ____. | wind pipe |
| The scientist who first discovered a vaccine for polio is _____ ____. | Jonas Salk |
| Polio is prevented today with the use of ____ _______. The symptoms are ___ ____. | oral vaccine. flu like |
| A hiccup is caused by ___________. | diaphragm is out of sync with everything else. |
| A burp is caused by _______. | swallowing too much air. |
| The amount of air a person can forcibly exhale after taking a deep breath (as in the lab) is called _____ ________. | vital capacity. |
| When you inhale, your diaphragm ________ ____, and the ribs __ __ _ ___, the volume of your chest cavity _________, which _________ the air pressure in your lungs, causing air to ____ __. | flattens down, go up & out, increases, decreases |
| Gas exchange occurs in the ______. | alveoli |
| The path of air during ventilation: __________________. | mouth/nose, trachea, bronchus, bronchioles, then alveoli. |
| When exhaling, the amount of air remaining in you lungs is the _______________. | residual volume |
| A calorie is a unit of ____ ______. | heat energy |
| The primary goal of cellular respiration is to release ______ from digested nutrients. | energy |
| During cellular respiration, ______ helps convert _______ to energy, while releasing ______ _______ and _____. | oxygen, glucose, carbon dioxide, and water. |
| Cellular respiration takes place in the ____________ of body cells. | Mitochondria |
| If a food sample releases more heat when burned, then it ___ ____ _______. | has more calories |
| Which vessels carry blood to the hear? | veins |
| Whic vessels exchange nutrients and waste products? | cappilaries |
| Which vessels carry blood away from the heart? | arteries |
| Which vessels are the smallest? | cappilaries |
| _________ are solid substances that aids in clotting of blood. | Platelets |
| _____ _____ help protect the body against disease. | White blood cells |
| ___ _____ _____ carry oxygen to body cells. | Red blood cells |
| The liquid part of blood is called ______. | plasma |
| Valves can be found in the _____ and _____. | heart, veins |
| Risk factors for high blood pressure include _________________. | too much salt, too much cholesteral, not enough excercise, and smoking. |
| The human circulatory system is a ______ system with ___ loops and a ____-chambered heart. | closed, two, four |
| The _____ is the "superhighway" that carries oxygenated blood out of the heart to the rest of the body. | aorta |
| Why does blood from the body come back to the heart with less oxygen? | your body cells use oxygen for cellular respiration. |
| In the heart, the septum separates the _____/____ ____. | right/left side |
| The oxygenated blood is in the ____ side of the heart. | left |
| The ____ _________ of the heart is stronget than the ______ _________. | left ventricle, right ventricle. |
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thinkpink
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